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/arch/mips/include/asm/lasat/lasat.h

http://github.com/mirrors/linux
C Header | 245 lines | 184 code | 34 blank | 27 comment | 5 complexity | 4402cdcafdcb509c3323de2317b51a5f MD5 | raw file
  1/* SPDX-License-Identifier: GPL-2.0-only */
  2/*
  3 * lasat.h
  4 *
  5 * Thomas Horsten <thh@lasat.com>
  6 * Copyright (C) 2000 LASAT Networks A/S.
  7 *
  8 * Configuration for LASAT boards, loads the appropriate include files.
  9 */
 10#ifndef _LASAT_H
 11#define _LASAT_H
 12
 13#ifndef _LANGUAGE_ASSEMBLY
 14
 15extern struct lasat_misc {
 16	volatile u32 *reset_reg;
 17	volatile u32 *flash_wp_reg;
 18	u32 flash_wp_bit;
 19} *lasat_misc;
 20
 21enum lasat_mtdparts {
 22	LASAT_MTD_BOOTLOADER,
 23	LASAT_MTD_SERVICE,
 24	LASAT_MTD_NORMAL,
 25	LASAT_MTD_CONFIG,
 26	LASAT_MTD_FS,
 27	LASAT_MTD_LAST
 28};
 29
 30/*
 31 * The format of the data record in the EEPROM.
 32 * See the LASAT Hardware Configuration field specification for a detailed
 33 * description of the config field.
 34 */
 35#include <linux/types.h>
 36
 37#define LASAT_EEPROM_VERSION 7
 38struct lasat_eeprom_struct {
 39	unsigned int  version;
 40	unsigned int  cfg[3];
 41	unsigned char hwaddr[6];
 42	unsigned char print_partno[12];
 43	unsigned char term0;
 44	unsigned char print_serial[14];
 45	unsigned char term1;
 46	unsigned char prod_partno[12];
 47	unsigned char term2;
 48	unsigned char prod_serial[14];
 49	unsigned char term3;
 50	unsigned char passwd_hash[16];
 51	unsigned char pwdnull;
 52	unsigned char vendid;
 53	unsigned char ts_ref;
 54	unsigned char ts_signoff;
 55	unsigned char reserved[11];
 56	unsigned char debugaccess;
 57	unsigned short prid;
 58	unsigned int  serviceflag;
 59	unsigned int  ipaddr;
 60	unsigned int  netmask;
 61	unsigned int  crc32;
 62};
 63
 64struct lasat_eeprom_struct_pre7 {
 65	unsigned int  version;
 66	unsigned int  flags[3];
 67	unsigned char hwaddr0[6];
 68	unsigned char hwaddr1[6];
 69	unsigned char print_partno[9];
 70	unsigned char term0;
 71	unsigned char print_serial[14];
 72	unsigned char term1;
 73	unsigned char prod_partno[9];
 74	unsigned char term2;
 75	unsigned char prod_serial[14];
 76	unsigned char term3;
 77	unsigned char passwd_hash[24];
 78	unsigned char pwdnull;
 79	unsigned char vendor;
 80	unsigned char ts_ref;
 81	unsigned char ts_signoff;
 82	unsigned char reserved[6];
 83	unsigned int  writecount;
 84	unsigned int  ipaddr;
 85	unsigned int  netmask;
 86	unsigned int  crc32;
 87};
 88
 89/* Configuration descriptor encoding - see the doc for details */
 90
 91#define LASAT_W0_DSCTYPE(v)		(((v))	       & 0xf)
 92#define LASAT_W0_BMID(v)		(((v) >> 0x04) & 0xf)
 93#define LASAT_W0_CPUTYPE(v)		(((v) >> 0x08) & 0xf)
 94#define LASAT_W0_BUSSPEED(v)		(((v) >> 0x0c) & 0xf)
 95#define LASAT_W0_CPUCLK(v)		(((v) >> 0x10) & 0xf)
 96#define LASAT_W0_SDRAMBANKSZ(v)		(((v) >> 0x14) & 0xf)
 97#define LASAT_W0_SDRAMBANKS(v)		(((v) >> 0x18) & 0xf)
 98#define LASAT_W0_L2CACHE(v)		(((v) >> 0x1c) & 0xf)
 99
100#define LASAT_W1_EDHAC(v)		(((v))	       & 0xf)
101#define LASAT_W1_HIFN(v)		(((v) >> 0x04) & 0x1)
102#define LASAT_W1_ISDN(v)		(((v) >> 0x05) & 0x1)
103#define LASAT_W1_IDE(v)			(((v) >> 0x06) & 0x1)
104#define LASAT_W1_HDLC(v)		(((v) >> 0x07) & 0x1)
105#define LASAT_W1_USVERSION(v)		(((v) >> 0x08) & 0x1)
106#define LASAT_W1_4MACS(v)		(((v) >> 0x09) & 0x1)
107#define LASAT_W1_EXTSERIAL(v)		(((v) >> 0x0a) & 0x1)
108#define LASAT_W1_FLASHSIZE(v)		(((v) >> 0x0c) & 0xf)
109#define LASAT_W1_PCISLOTS(v)		(((v) >> 0x10) & 0xf)
110#define LASAT_W1_PCI1OPT(v)		(((v) >> 0x14) & 0xf)
111#define LASAT_W1_PCI2OPT(v)		(((v) >> 0x18) & 0xf)
112#define LASAT_W1_PCI3OPT(v)		(((v) >> 0x1c) & 0xf)
113
114/* Routines specific to LASAT boards */
115
116#define LASAT_BMID_MASQUERADE2		0
117#define LASAT_BMID_MASQUERADEPRO	1
118#define LASAT_BMID_SAFEPIPE25		2
119#define LASAT_BMID_SAFEPIPE50		3
120#define LASAT_BMID_SAFEPIPE100		4
121#define LASAT_BMID_SAFEPIPE5000		5
122#define LASAT_BMID_SAFEPIPE7000		6
123#define LASAT_BMID_SAFEPIPE1000		7
124#if 0
125#define LASAT_BMID_SAFEPIPE30		7
126#define LASAT_BMID_SAFEPIPE5100		8
127#define LASAT_BMID_SAFEPIPE7100		9
128#endif
129#define LASAT_BMID_UNKNOWN		0xf
130#define LASAT_MAX_BMID_NAMES		9   /* no larger than 15! */
131
132#define LASAT_HAS_EDHAC			(1 << 0)
133#define LASAT_EDHAC_FAST		(1 << 1)
134#define LASAT_HAS_EADI			(1 << 2)
135#define LASAT_HAS_HIFN			(1 << 3)
136#define LASAT_HAS_ISDN			(1 << 4)
137#define LASAT_HAS_LEASEDLINE_IF		(1 << 5)
138#define LASAT_HAS_HDC			(1 << 6)
139
140#define LASAT_PRID_MASQUERADE2		0
141#define LASAT_PRID_MASQUERADEPRO	1
142#define LASAT_PRID_SAFEPIPE25		2
143#define LASAT_PRID_SAFEPIPE50		3
144#define LASAT_PRID_SAFEPIPE100		4
145#define LASAT_PRID_SAFEPIPE5000		5
146#define LASAT_PRID_SAFEPIPE7000		6
147#define LASAT_PRID_SAFEPIPE30		7
148#define LASAT_PRID_SAFEPIPE5100		8
149#define LASAT_PRID_SAFEPIPE7100		9
150
151#define LASAT_PRID_SAFEPIPE1110		10
152#define LASAT_PRID_SAFEPIPE3020		11
153#define LASAT_PRID_SAFEPIPE3030		12
154#define LASAT_PRID_SAFEPIPE5020		13
155#define LASAT_PRID_SAFEPIPE5030		14
156#define LASAT_PRID_SAFEPIPE1120		15
157#define LASAT_PRID_SAFEPIPE1130		16
158#define LASAT_PRID_SAFEPIPE6010		17
159#define LASAT_PRID_SAFEPIPE6110		18
160#define LASAT_PRID_SAFEPIPE6210		19
161#define LASAT_PRID_SAFEPIPE1020		20
162#define LASAT_PRID_SAFEPIPE1040		21
163#define LASAT_PRID_SAFEPIPE1060		22
164
165struct lasat_info {
166	unsigned int  li_cpu_hz;
167	unsigned int  li_bus_hz;
168	unsigned int  li_bmid;
169	unsigned int  li_memsize;
170	unsigned int  li_flash_size;
171	unsigned int  li_prid;
172	unsigned char li_bmstr[16];
173	unsigned char li_namestr[32];
174	unsigned char li_typestr[16];
175	/* Info on the Flash layout */
176	unsigned int  li_flash_base;
177	unsigned long li_flashpart_base[LASAT_MTD_LAST];
178	unsigned long li_flashpart_size[LASAT_MTD_LAST];
179	struct lasat_eeprom_struct li_eeprom_info;
180	unsigned int  li_eeprom_upgrade_version;
181	unsigned int  li_debugaccess;
182};
183
184extern struct lasat_info lasat_board_info;
185
186static inline unsigned long lasat_flash_partition_start(int partno)
187{
188	if (partno < 0 || partno >= LASAT_MTD_LAST)
189		return 0;
190
191	return lasat_board_info.li_flashpart_base[partno];
192}
193
194static inline unsigned long lasat_flash_partition_size(int partno)
195{
196	if (partno < 0 || partno >= LASAT_MTD_LAST)
197		return 0;
198
199	return lasat_board_info.li_flashpart_size[partno];
200}
201
202/* Called from setup() to initialize the global board_info struct */
203extern int lasat_init_board_info(void);
204
205/* Write the modified EEPROM info struct */
206extern void lasat_write_eeprom_info(void);
207
208#define N_MACHTYPES		2
209/* for calibration of delays */
210
211/* the lasat_ndelay function is necessary because it is used at an
212 * early stage of the boot process where ndelay is not calibrated.
213 * It is used for the bit-banging rtc and eeprom drivers */
214
215#include <linux/delay.h>
216#include <linux/smp.h>
217
218/* calculating with the slowest board with 100 MHz clock */
219#define LASAT_100_DIVIDER 20
220/* All 200's run at 250 MHz clock */
221#define LASAT_200_DIVIDER 8
222
223extern unsigned int lasat_ndelay_divider;
224
225static inline void lasat_ndelay(unsigned int ns)
226{
227	__delay(ns / lasat_ndelay_divider);
228}
229
230#define IS_LASAT_200()	   (current_cpu_data.cputype == CPU_R5000)
231
232#endif /* !defined (_LANGUAGE_ASSEMBLY) */
233
234#define LASAT_SERVICEMODE_MAGIC_1     0xdeadbeef
235#define LASAT_SERVICEMODE_MAGIC_2     0xfedeabba
236
237/* Lasat 100 boards */
238#define LASAT_GT_BASE		(KSEG1ADDR(0x14000000))
239
240/* Lasat 200 boards */
241#define Vrc5074_PHYS_BASE	0x1fa00000
242#define Vrc5074_BASE		(KSEG1ADDR(Vrc5074_PHYS_BASE))
243#define PCI_WINDOW1		0x1a000000
244
245#endif /* _LASAT_H */